| Rubiaceae | |
Otomeria angolensis
| (R.D. Good) Verdc. | J. Linn. Soc., Bot. 53: 383 | 1950 |
| Rubiaceae | |
Otomeria batesii
| Wernham | J. Bot. 54: 226 | 1916 |
| Rubiaceae | |
Otomeria blommaertii
| De Wild. | Pl. Bequaert. 5: 429 | 1932 |
| Rubiaceae | |
Otomeria calycina
| Hiern | J. Bot. 37: 58 | 1899 |
| Rubiaceae | |
Otomeria cameronica
| (Bremek.) Hepper | Kew Bull. 14: 253 | 1960 |
| Rubiaceae | |
Otomeria dilatata
| Hiern | Fl. Trop. Afr. 3: 50 | 1877 |
| Rubiaceae | |
Otomeria elatior
| (A. Rich. ex DC.) Verdc. | Bull. Jard. Bot. État Bruxelles 23: 18 | 1953 |
| Rubiaceae | |
Otomeria graciliflora
| K. Schum. ex De Wild. | Miss. Ém. Laurent 274 | 1906 |
| Rubiaceae | |
Otomeria guineensis
| Benth. | Niger Fl. 405 | 1849 |
| Rubiaceae | |
Otomeria heterophylla
| K. Schum. | Bot. Jahrb. Syst. 33: 336 | 1903 |
| Rubiaceae | |
Otomeria lanceolata
| Hiern | Fl. Trop. Afr. 3: 50 | 1877 |
| Rubiaceae | |
Otomeria leptocarpa
| S. Moore | J. Linn. Soc., Bot. 37: 299 | 1906 |
| Rubiaceae | |
Otomeria linearifolia
| Bremek. | Kew Bull. 3: 461 | 1948 [1949] |
| Rubiaceae | |
Otomeria madiensis
| Oliv. | Trans. Linn. Soc. London 29: 83 | 1873 |
| Rubiaceae | |
Otomeria micrantha
| K. Schum. | Bot. Jahrb. Syst. 23: 423 | 1896 |
| Rubiaceae | |
Otomeria monticola
| K. Krause | Bot. Jahrb. Syst. 57: 26 | 1920 |
| Rubiaceae | |
Otomeria oculata
| S. Moore | Journal of Botany 18: 4 | 1880 |
| Rubiaceae | |
Otomeria rupestris
| Hiern | J. Bot. 37: 59 | 1899 |
| Rubiaceae | |
Otomeria speciosa
| (Baker) Scott Elliot | J. Linn. Soc., Bot. 32: 437 | 1896 |
| Rubiaceae | |
Otomeria tenuis
| A. Chev. ex Hutch. & Dalziel | Fl. W. Trop. Afr. 2: 129 | 1931 |
| Rubiaceae | |
Otomeria volubilis
| (K. Schum.) Verdc. | Kew Bull. 7: 361 | 1952 |